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You need to work out the variables of 20 (the last number) first:
1, 2, 4, 5, 10, 20
Lets call these folks "p"
At that point you need to work out the components of the main coefficient (the number before the most astounding force of x):
1
Lets call this person "q"
At that point you need to make all the conceivable divisions you can with:
±p/q
Since q is only 1, we are fortunate, so the conceivable normal roots are:
±1/1,±2/1,±4/1,±5/1.±10/1,±20/1
Answer:

Step-by-step explanation:
To obtain the result of a fractions multiplication we need to multiply both numerators and the divide by the multiplication of the denomitators. In general, given a,b,c,d real numbers with b and d not zero, we have that

Substituting a,b,c and d for 8,15,2 and 13 we obtain that

Answer:
1.0 ; 1.1 ; 1.7 ; 2.0 ; 2.5
Step-by-step explanation:
Given the following :
√1.001 ,√1.1212 ,√2.895, √4.005 ,√6.2533
The square root to the nearest tenth :
Using calculator :
√1.001 = 1.0004998 = 1.0
√1.1212 = 1.0588673 = 1.1
√2.895 = 1.7014699 = 1.7
√4.005 = 2.0012496 = 2.0
√6.2533 = 2.5006599 = 2.5